Lease Requirements and Formalities in Finland

Since its commencement on 1 May 1995, the Act on Residential Leases (AHVL) has served as the primary governing statute for tenancies in Finland. It is built primarily to secure the inviolability of the tenant's home—a right protected by Section 10 of the Constitution—and to prevent unreasonable contractual conditions. The landlord's strongest security is a carefully drafted lease agreement that complies with the law's requirements.

1. Form and Duration of the Lease

Although an oral contract is valid in general Finnish contract law, a residential lease agreement must be made in writing (AHVL s.5). If a lease agreement is not made in writing, it is legally deemed to be in force until further notice. Consequently, a fixed-term lease must be in writing to be legally recognized as such. If a fixed-term contract is concluded only verbally, the district court (käräjäoikeus) will interpret it as a continuous and freely terminable valid until further notice contract.

2. Duration of the Contract and Finland's "Penalty Clauses"

Valid Until Further Notice (Most common in Finland)

The agreement is valid until either party brings it to an end with a notice of termination. Under AHVL s.52, the tenant's period of notice is one month. The landlord's period of notice is six months if the lease has lasted uninterruptedly for at least one year, and three months otherwise. Any provision extending the tenant's notice period is void.

• The 11-Month Penalty Clause (Contractual Penalty): The biggest operational risk for housing investors is the constant turnover of tenants every few months. Therefore, a standard industry practice in Finland involves a contractual penalty: It is agreed in the contract that the first possible notice period begins at the earliest, e.g., after 11 months. If the tenant terminates the contract earlier, they must pay a "contractual penalty" equivalent to 1 or 1.5 months' rent. This directs living for a minimum time of over a year.

Fixed-Term Contract

A precise legal date is set for the contract (e.g., Aug 1, 2026 – Jul 31, 2027), whereupon the contract ends without a notice of termination.

• Under AHVL s.55, a court may permit a party to terminate a fixed-term lease if: (a) the tenant's need for the apartment ceases due to illness or disability; (b) the tenant moves to another locality for reasons of work or study; (c) the landlord needs the apartment for their own use or that of a family member; or (d) for another comparable reason where remaining in the contract would be patently unreasonable.

3. Maintenance and Essential Conditions

Finnish law protects the tenant as the underdog in the housing market, but it also allows for specific contractual flexibility regarding property upkeep:

• Maintenance Responsibility: While the landlord is generally responsible for the apartment's condition (AHVL s.20), Section 20(3) explicitly states that the landlord and the tenant may agree that the tenant shall be responsible for the maintenance or repair of the premises. This allows parties to shift responsibility for specific items, such as household appliances, provided it is clearly stipulated in the agreement.
• Home Insurance Requirements: Most landlords require the validity of extensive home insurance throughout the tenancy. Under AHVL s.61, a landlord has the right to rescind the lease agreement if the tenant violates a provision of the lease agreement that is of essential importance, such as a mandatory home insurance clause. Except in cases of non-payment or severe disturbance, the landlord must first issue a written warning, giving the tenant an opportunity to rectify the breach before proceeding with rescission.

Management of Electronic Contracts via Landager

Self-created incorrect PDFs, from which references to rent increase conditions have accidentally been deleted, are common risks in Finland's dispute cases. Landager's automatic "Contract Builder" dynamically compiles Appendices in accordance with "Good Rental Practice" verified by lawyers (such as contractual penalties and exact wording on using EKI indices), creating seamless digital contract kits. This links the signatures to Finland's strongly recognized bank identification (Signicat/NetS), confirming the signatory's legal capacity into your secure wallet in minutes.

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